CN108524978B - Vacuumizing ozone disinfection device and disinfection method thereof - Google Patents

Vacuumizing ozone disinfection device and disinfection method thereof Download PDF

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CN108524978B
CN108524978B CN201810325596.0A CN201810325596A CN108524978B CN 108524978 B CN108524978 B CN 108524978B CN 201810325596 A CN201810325596 A CN 201810325596A CN 108524978 B CN108524978 B CN 108524978B
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ozone
cavity
connecting port
control valve
closing
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CN108524978A (en
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何志明
苏荣欢
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Foshan Comwin Light & Electricity Co ltd
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Foshan Comwin Light & Electricity Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/202—Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/12—Apparatus for isolating biocidal substances from the environment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/26—Textiles, e.g. towels, beds, cloths

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The invention discloses a vacuumizing ozone disinfection device and a disinfection method thereof. Wherein, evacuation ozone degassing unit includes first cavity, the second cavity, ozone generating device, ozone reduction device, first control valve, second control valve and evacuating device, ozone generating device and ozone reduction device set up in first cavity, the second cavity is used for placing the article of treating the disinfection, first control valve is with first cavity and second cavity intercommunication, evacuating device and second cavity intercommunication, the second control valve is equipped with first connector, second connector and third connector, first connector and evacuating device intercommunication, the second connector communicates with first cavity, the third connector communicates with the outer air of cavity. The invention adopts a vacuumizing internal circulation mode, which is beneficial to ozone molecules to penetrate into the deep layer inside the clothes fiber and strengthens the disinfection effect.

Description

Vacuumizing ozone disinfection device and disinfection method thereof
Technical Field
The invention relates to the technical field of ozone disinfection, in particular to a vacuumizing ozone disinfection device and a disinfection method thereof.
Background
The wardrobe and the shoe cabinet are used as household articles for decoration and clothes storage, bring great convenience to the life of people, and bring some difficulties to people. In plum rain season, air is humid, a wardrobe and a shoe cabinet are prone to being affected with damp, and the wardrobe and the shoe cabinet become mildewed after a long time, mildew can be attached to clothes on the wardrobe, black spots are left, the clothes are damaged, peculiar smell is generated to breed bacteria, fungi and the like, and if the clothes or the shoes are not disinfected and sterilized in time, people can easily infect the bacteria to cause diseases such as tinea cruris, hong Kong feet and the like.
Clothes, bedding, shoes and toys are disinfected by sun, a small amount of ultraviolet rays in the sun irradiate the surface for a long time, surface microorganisms and part concealed insects can be killed, but the surface microorganisms and the part concealed insects can not be killed in the irradiated inner surface or the irradiated inner part, the inner microorganisms can not be killed, and the sun can not achieve the purpose of thorough sterilization and disinfection.
In order to solve the above problems, ultraviolet ray disinfection cabinets, ozone disinfection cabinets, and the like are available on the market. The ultraviolet disinfection cabinet is difficult to thoroughly disinfect clothes, bedding, shoes, toys and the like, microorganisms can be killed by direct ultraviolet radiation, but because light has the characteristic of linear propagation, the direct ultraviolet radiation disinfection method is only effective on the part of the outer surface facing a light source, and the disinfection effect cannot be achieved on the backlight or sheltered places, so that the disinfection effect of single ultraviolet radiation on articles is very limited, the single ultraviolet radiation cannot permeate into the articles to be disinfected, and the thorough disinfection cannot be carried out. In addition, the attenuation period of ozone is very long, a large amount of residual ozone still exists in the closed space after the sterilization and disinfection process is finished, and if measures are not taken to completely recover and eliminate the residual ozone, the residual ozone can cause disinfected objects to be accompanied with pungent and smelly smell and can also harm human health.
The patent with the patent number of CN201710531264.3 discloses an ozone disinfection device and a disinfection method thereof, wherein the disinfection device comprises a disinfection host and a disinfection bag, and an ozone generator, an ozone eliminator, an air pump and a three-way electromagnetic valve are arranged in the disinfection host. The household clothes are sterilized by a technical method of firstly sucking and compressing air in the clothes and then injecting ozone into the clothes by pressurization for the sterilizing bag filled with the clothes; the disinfection method comprises the following steps: 1) vacuumizing the disinfection bag filled with the articles to be disinfected; 2) after the vacuumizing is finished, starting an ozone generator, filling ozone with a certain concentration into the disinfection bag, and after the ozone filling is finished, standing and disinfecting; 3) and after the standing time is up, vacuumizing the disinfection bag again, and discharging the air with residual ozone after passing through the ozone eliminator. Because the ozone generator is used for generating ozone in a high-voltage discharge mode, nitrogen oxides can be generated while the ozone is generated, and the influence of air humidity is also generated, so that the efficiency of generating ozone by discharging is reduced when the air humidity is high, and the ozone generation is insufficient to cause unstable disinfection effect. Adopt the mode disinfection of stewing in this patent, ozone molecule constantly consumes, and the concentration descends, and the disinfection effect is not good after descending to a certain degree, also is difficult to permeate the clothing deep layer, and the disinfection effect is short of. Then, ozone is eliminated by using activated carbon and a heating mode, and the defects that the activated carbon is easy to absorb and saturate and the heating energy consumption of a heating wire is high exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vacuum-pumping ozone disinfection device and a disinfection method thereof, wherein a vacuum-pumping internal circulation mode is adopted, so that ozone molecules penetrate into deep layers in clothes fibers, and the disinfection effect is enhanced.
In order to solve the above technical problems, the present invention provides a vacuum-pumping ozone disinfection apparatus, comprising: the first cavity, the second cavity, ozone generating device, ozone reduction device, first control valve, second control valve and evacuating device, ozone generating device and ozone reduction device set up in the first cavity, the second cavity is used for placing the article of treating disinfecting, first control valve is with first cavity and second cavity intercommunication, evacuating device and second cavity intercommunication, the second control valve is equipped with first connector, second connector and third connector, first connector and evacuating device intercommunication, the second connector communicates with first cavity, the third connector communicates with the outer air of cavity.
As an improvement of the scheme, the ozone generating device is an ozone ultraviolet lamp.
As an improvement of the scheme, the wavelength of the ozone ultraviolet lamp is 150-200 nm.
As an improvement of the scheme, the ozone reduction device is an ultraviolet lamp.
As an improvement of the scheme, the wavelength of the ultraviolet lamp is 200-300 nm.
Correspondingly, the invention also provides a vacuum-pumping ozone disinfection method, which adopts any one vacuum-pumping ozone disinfection device and comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for a set time, and discharging air in the second cavity;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for a set time to generate ozone;
(4) opening the first control valve, closing the first control valve after a set time, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port, and closing the second connecting port and the third connecting port after a set time so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device to work for a set time to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after the set time, the ozone generating device is closed, and meanwhile, the ozone reducing device is electrified to work, so that the ozone in the first cavity and the second cavity is reduced;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump to work, and discharging the gas in the first cavity and the second cavity out of the cavity.
As an improvement of the scheme, in the step (2), the vacuumizing device is electrified and works for 2-5 minutes, so that the air pressure in the second cavity is smaller than the atmospheric pressure.
As an improvement of the scheme, in the step (3), the ozone generating device is electrified and works for 3-8 minutes, so that the first cavity is filled with high-concentration ozone.
As an improvement of the scheme, in the step (4), the first control valve is closed after being opened for 1-4 seconds.
As an improvement of the proposal, in the step (5), the second connecting port and the third connecting port are opened for 1 to 4 seconds and closed.
The implementation of the invention has the following beneficial effects:
1. the invention adopts a vacuumizing internal circulation mode, which is beneficial to ozone molecules to penetrate into the deep layer inside the clothes fiber and strengthens the disinfection effect.
2. The ozone lamp is used for generating ozone, nitrogen oxides are not generated, the ozone lamp is more stable, efficient and safe, and is not influenced by environmental humidity, and compared with the existing ozone lamp, the efficiency is improved by more than 25%.
3. The invention adopts the ultraviolet lamp to reduce the ozone, avoids the ozone from leaking to hurt the user, realizes the harmless treatment of the sterilizing gas, and has the advantages of low power consumption, easy control and clothes protection compared with the prior heating mode to reduce the ozone.
Drawings
FIG. 1 is a schematic view of the construction of the vacuum-pumping ozone sterilization apparatus of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the vacuuming ozone disinfection device provided by the invention comprises a first cavity 1, a second cavity 2, an ozone generating device 3, an ozone reducing device 4, a first control valve 5, a second control valve 6 and a vacuuming device 7.
Specifically, a connecting port is arranged between the first cavity 1 and the second cavity 2, and the first control valve 5 is arranged in the connecting port and used for communicating the first cavity 1 with the second cavity 2. Wherein the ozone generating device 3 and the ozone reducing device 4 are arranged in the first cavity 1, and the second cavity 2 is used for placing the objects to be disinfected. Preferably, the inner wall of the second cavity 2 is made of stainless steel which is corrosion-resistant, deformation-resistant, high in sealing performance and easy to clean. In other embodiments of the present application, the second cavity 2 may also be made of other materials that are corrosion resistant, deformation resistant, strong in sealing performance, and easy to clean.
In order to improve the output efficiency of ozone, the ozone generating device 3 is an ozone ultraviolet lamp. This application adopts ozone ultraviolet lamp as ozone generating device, not only does not produce nitrogen oxide, and is more environmental protection, and ozone ultraviolet lamp is more stable, high-efficient and safe moreover.
Preferably, an ozone ultraviolet lamp with the wavelength of 150-200nm is adopted as the ozone generating device. The ultraviolet ray penetration of the wave band is stronger, the sterilization effect is better, and the influence on the articles to be sterilized is not easy to cause.
Preferably, an ozone ultraviolet lamp with the wavelength of 170-190nm is adopted as the ozone generating device. The ultraviolet ray penetration of the wave band is stronger, the sterilization effect is better, and the influence on the articles to be sterilized is not easy to cause.
More preferably, an ozone ultraviolet lamp having a wavelength of 185nm is used as the ozone generating means. The ultraviolet ray penetration of the wave band is stronger, the sterilization effect is better, and the influence on the articles to be sterilized is not easy to cause.
Preferably, the current density of the ozone ultraviolet lamp is more than 0.3A/cm2。
Preferably, the current density of the ozone ultraviolet lamp is more than 0.5A/cm2。
Preferably, the current density of the ozone ultraviolet lamp is more than 0.8A/cm2。
Furthermore, the current density of the ozone ultraviolet lamp is more than 1.5A/cm2。
This application is through using the ozone ultraviolet lamp of high output as ozone generating device to improve ozone ultraviolet lamp's efficiency. In particular, the method comprises the following steps of,
the efficiency of the common ozone ultraviolet lamp is less than or equal to 3 percent, while the efficiency of the ozone ultraviolet lamp is 5 to 13 percent. Compared with the existing ozone generating device, the efficiency of the ozone ultraviolet lamp is improved by more than 25%. In other embodiments of the present application, the ozone generating device 3 may also be a high-voltage discharge type ozone generator.
Preferably, the application adopts the wavelength of 150-200nm and the current density of more than 0.3A/cm2The ozone ultraviolet lamp is used as an ozone generating device.
Preferably, the application adopts the wavelength of 170-190nm and the current density of more than 0.5A/cm2The ozone ultraviolet lamp is used as an ozone generating device.
Preferably, the application adopts the wavelength of 180-190nm and the current density of more than 0.8A/cm2The ozone ultraviolet lamp is used as an ozone generating device.
More preferably, the wavelength is 185nm, and the current density is more than 1.5A/cm2Ozone ultraviolet lamp asAn ozone generating device.
The invention reasonably utilizes the wavelength and current density of the ozone ultraviolet lamp, and ensures that the ozone ultraviolet lamp has stable output, stronger penetrating power and sterilization capability and high-efficiency ozone output through the synergistic effect of the elements, thereby being safer and more environment-friendly.
Wherein, the adoption ultraviolet lamp of this application is as ozone reduction device. This application is through ultraviolet reduction ozone technique, avoids ozone to leak the injury to the user, realizes gaseous innocent treatment of disinfection. Compared with the heating mode adopted at present to reduce ozone, the invention has the advantages of low power consumption, easy control, clothes protection and the like.
Preferably, the ultraviolet lamp with the wavelength of 200-300nm is adopted as the ozone reduction device. The ultraviolet ray in the wave band can effectively reduce ozone and has little damage to clothes.
Preferably, the ultraviolet lamp with the wavelength of 240-280nm is adopted as the ozone reduction device. The ultraviolet rays of this wavelength band reduce ozone more efficiently and cause less damage to the laundry.
More preferably, the present application employs an ultraviolet lamp having a wavelength of 254nm as the ozone reduction device. The ultraviolet ray of the wave band can effectively reduce the ozone and has little damage to the clothes.
Evacuating device 7 and second cavity 2 intercommunication for discharge the air in the second cavity 2, make second cavity 2 be in vacuum state, make the ozone in the first cavity 1 flow fast to the second cavity 2 in, thereby make ozone permeate the inside of treating the disinfection article more easily, and then reinforcing disinfection effect. In addition, evacuating device 7 is still used for carrying out the circulation with the ozone of first cavity 1 and second cavity 2 and flows, makes the ozone that consumes in the second cavity 2 can obtain supplementing for ozone permeates the inside of waiting to disinfect the article more fully, guarantees the disinfection effect. Further, the vacuum device 7 is used for exhausting the reducing gas in the first cavity 1 and/or the second cavity 2 out of the cavity. Preferably, the vacuum-pumping device 7 is a vacuum pump.
The second control valve 6 is provided with a first connection port 61, a second connection port 62, and a third connection port 63. The first connecting port 61 is communicated with the vacuum extractor 7, the second connecting port 62 is communicated with the first cavity 1, and the third connecting port 63 is communicated with air outside the cavity. Preferably, the second control valve 6 is a three-way valve. In other embodiments of the present application, the second control valve 6 may also be a four-way valve or a five-way valve, and other connection ports may be used to connect other devices, which is not limited in this application.
Correspondingly, the invention also provides a vacuum-pumping ozone disinfection method, which adopts any one vacuum-pumping ozone disinfection device and comprises the following steps:
(1) an article to be disinfected is placed in the second chamber.
(2) And closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for a set time, and discharging the air in the second cavity. Preferably, the vacuum pumping device is powered on to work for 2-5 minutes, so that the air pressure in the second cavity is smaller than the atmospheric pressure, and the second cavity is in a vacuum state. Preferably, the vacuum pumping device is powered on for 3 minutes, so that the air pressure in the second cavity is equal to 0.8 atmosphere.
(3) The first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for a set time to generate ozone. Preferably, the ozone generating device is electrified to work for 3-8 minutes, so that the first cavity is filled with high-concentration ozone. More preferably, the ozone generator is powered on for 5 minutes. In order to improve the output efficiency of ozone, the ozone generating device 3 is an ozone ultraviolet lamp. Preferably, an ozone ultraviolet lamp with the wavelength of 150-200nm is adopted as the ozone generating device. More preferably, an ozone ultraviolet lamp having a wavelength of 185nm is used as the ozone generating means. Wherein, the ozone ultraviolet lamp is electrified to work, and ozone is generated through photochemical reaction. Specifically, ultraviolet light photolyzes an oxygen molecule into two oxygen atoms, wherein one oxygen atom and one oxygen molecule form an ozone molecule. This application adopts ozone ultraviolet lamp to produce ozone, does not produce nitrogen oxide, and is more stable, high-efficient and safe, and does not receive the environmental humidity influence. In particular, the ozone ultraviolet lamp has large using current densityAt 0.3-1.5A/cm2. Wherein, the efficiency of the common ozone ultraviolet lamp is less than or equal to 3 percent, while the efficiency of the ozone ultraviolet lamp is 5 to 13 percent. Compared with the existing ozone and the like, the efficiency of the ozone ultraviolet lamp is improved by more than 25%. In other embodiments of the present application, the ozone generating device 3 may also be a high-voltage discharge type ozone generator.
The volume of the box body is 1m by adopting a 50W ozone ultraviolet lamp3The power was continuously applied for 5 minutes under the conditions, and the following table 1 shows the ozone concentration in the tank under different vacuum degrees:
air pressure of vacuum chamber Magnitude of pressure kpa Concentration of ozone ppm
1 atmosphere of pressure 101.3 30.0
0.8 atmosphere pressure 81.1 37.5
0.5 atmosphere 50.7 60.0
0.3 atmosphere pressure 30.4 100.0
0.1 atmosphere pressure 10.1 300.0
It follows that the concentration of ozone in the tank can be increased by reducing the air pressure in the tank.
(4) And opening the first control valve, closing the first control valve after a set time, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer the ozone in the first cavity into the second cavity. Preferably, the first control valve is closed after opening for 1-4 seconds. More preferably, the first control valve is closed after 2 seconds of opening. Because the air pressure in the second cavity is smaller than the air pressure in the first cavity, the ozone in the first cavity is rapidly moved into the second cavity after the first control valve is opened, and when the ozone is injected into the second cavity in a vacuum state, the high-concentration ozone easily permeates into the object to be disinfected, so that the disinfection effect is enhanced.
(5) And opening the second connecting port and the third connecting port, and closing the second connecting port and the third connecting port after a set time, so that air outside the cavity enters the first cavity. Preferably, the second connection port and the third connection port are opened for 1 to 4 seconds and then closed. More preferably, the second connection port and the third connection port are opened for 2 seconds and closed. In the step 4, the ozone in the first cavity is transferred into the second cavity, so that the first cavity is in a low-pressure state, the second connecting port and the third connecting port are opened in the step, the third connecting port is closed after a set time, and the air outside the cavity is sucked by the negative pressure of the first cavity.
(6) And (5) repeating the steps (3), (4) and (5) to fill the first cavity and the second cavity with ozone. Preferably, the above steps (3), (4) and (5) are repeated 2 to 10 times. More preferably, the above steps (3), (4) and (5) are repeated 2 to 3 times.
(7) And opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device to work for a set time so as to enable the ozone in the first cavity and the ozone in the second cavity to circularly flow. This step is through evacuating device with the ozone circulation flow in first cavity and the second cavity, make the ozone that the internal consumption of second cavity can obtain supplementing for ozone permeates the inside of waiting to disinfect the article more fully, guarantees the disinfection effect. It should be noted that the vacuum-pumping ozone disinfection device is provided with the circuit control module, and the circuit control module can control the disinfection duration according to different modes.
(8) After the set time, the ozone generating device is closed, and the ozone reducing device is electrified to work for the set time to reduce the ozone in the first cavity and the second cavity. The ozone reduction device 4 is an ultraviolet lamp with the wavelength of 200-300 nm. Preferably, an ultraviolet lamp having a wavelength of 254nm is used as the ozone reducing means. Specifically, the ultraviolet lamp decomposes ozone into an oxygen molecule and an oxygen atom, and the ozone in the first cavity and the second cavity is gradually reduced to odorless and harmless gas. This application adopts ultraviolet reduction ozone technique, avoids ozone to leak the injury to the user, realizes gaseous innocent treatment of disinfection. Compared with the heating mode adopted at present to reduce ozone, the invention has the advantages of low power consumption, easy control, clothes protection and the like.
(9) And closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump to work for a set time, and discharging the gas in the first cavity and the second cavity out of the cavity. Preferably, the vacuum pump is powered on for 2-10 minutes until the internal gas of the first cavity and the second cavity is exhausted, residual ozone molecules are diluted into the air, and the disinfection work is finished. Preferably, the vacuum pump is continuously electrified and works for 2-5 minutes.
The implementation of the invention has the following beneficial effects:
1. the invention adopts a vacuumizing internal circulation mode, which is beneficial to ozone molecules to penetrate into the deep layer inside the clothes fiber and strengthens the disinfection effect.
2. The ozone lamp is used for generating ozone, nitrogen oxides are not generated, the ozone lamp is more stable, efficient and safe, and is not influenced by environmental humidity, and compared with the existing ozone lamp, the efficiency is improved by more than 25%.
3. The invention adopts the ultraviolet lamp to reduce the ozone, avoids the ozone from leaking to hurt the user, realizes the harmless treatment of the sterilizing gas, and has the advantages of low power consumption, easy control and clothes protection compared with the prior heating mode to reduce the ozone.
The invention will be further illustrated by the following specific examples
Example 1
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 150nm, and the current density is more than 0.3A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the application adopts an ultraviolet lamp with the wavelength of 200nm as an ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device for 5 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.1 atmosphere;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 8 minutes to generate ozone;
(4) opening the first control valve for 4 seconds, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 4 seconds and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 2 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for 1 minute to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 1 minute, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 8 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 10 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 2
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 150nm, and the current density is more than 0.3A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the application adopts an ultraviolet lamp with the wavelength of 200nm as an ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device for 4 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.3 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 7 minutes to generate ozone;
(4) opening the first control valve for 4 seconds, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 4 seconds and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 3 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for 1 minute to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 1 minute, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified and works for 7 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 8 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 3
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 170nm, and the current density is more than 0.5A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the ultraviolet lamp with the wavelength of 240nm is adopted as an ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for 4 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.5 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 6 minutes to generate ozone;
(4) opening the first control valve for 3 seconds, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 3 seconds and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 4 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for working for 2 minutes to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 2 minutes, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 7 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 8 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 4
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 180nm, and the current density is more than 0.8A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the ultraviolet lamp with the wavelength of 254nm is used as the ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device for 3 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.8 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 5 minutes to generate ozone;
(4) opening the first control valve for 2 seconds, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 2 seconds and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 3 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for 5 minutes to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 5 minutes, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 6 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 6 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 5
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 185nm, and the current density is more than 1.0A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the ultraviolet lamp with the wavelength of 254nm is used as the ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device for 3 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.8 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 4 minutes to generate ozone;
(4) opening the first control valve for 2 seconds, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 2 seconds and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 2 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for 3 minutes to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 3 minutes, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 6 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 5 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 6
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 190nm, and the current density is more than 1.2A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the ultraviolet lamp with the wavelength of 270nm is used as an ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for 2 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.8 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 4 minutes to generate ozone;
(4) opening the first control valve for 1 second, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 1 second and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 6 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device to work for 7 minutes to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 7 minutes, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 6 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 5 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
Example 7
A vacuumized ozone disinfection device comprises a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuumizing device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity; wherein the content of the first and second substances,
the adopted wavelength is 200nm, and the current density is more than 1.5A/cm2The ozone ultraviolet lamp is used as an ozone generating device;
the ultraviolet lamp with the wavelength of 300nm is used as the ozone reduction device.
A vacuum-pumping ozone disinfection method adopting the vacuum-pumping ozone disinfection device comprises the following steps:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for 2 minutes, and discharging air in the second cavity to enable the air pressure in the second cavity to be 0.8 atmospheric pressure;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for 3 minutes to generate ozone;
(4) opening the first control valve for 1 second, then closing the first control valve, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port for 1 second and then closing the second connecting port and the third connecting port, so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) for 10 times to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device for 8 minutes to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after 8 minutes, the ozone generating device is closed, and meanwhile, the ozone reduction device is electrified to work for 6 minutes to reduce the ozone in the first cavity and the second cavity;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump for 4 minutes, and discharging the gas in the first cavity and the gas in the second cavity out of the cavity.
The same batch of garments was sterilized using the sterilizing apparatus and sterilizing method of examples 1-7, each sterilizing apparatus protecting 6 garments, with the following results:
Figure BDA0001626476000000161
while the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (6)

1. A vacuumized ozone disinfection device is characterized by comprising a first cavity, a second cavity, an ozone generating device, an ozone reducing device, a first control valve, a second control valve and a vacuuming device, wherein the ozone generating device and the ozone reducing device are arranged in the first cavity;
the ozone generating device is an ozone ultraviolet lamp with the wavelength of 150-200nm, and the using current density of the ozone ultraviolet lamp is more than 0.3A/cm 2;
the ozone reduction device is an ultraviolet lamp with a wavelength of 200-300 nm.
2. An evacuated ozone sterilization method characterized by using the evacuated ozone sterilization apparatus according to claim 1, comprising the steps of:
(1) placing an article to be disinfected in the second cavity;
(2) closing the first control valve, opening the first connecting port, the second connecting port and the third connecting port, electrifying the vacuumizing device to work for a set time, and discharging air in the second cavity;
(3) the first control valve, the first connecting port, the second connecting port and the third connecting port are all closed, and the ozone generating device is electrified to work for a set time to generate ozone;
(4) opening the first control valve, closing the first control valve after a set time, and continuously closing the first connecting port, the second connecting port and the third connecting port to transfer ozone in the first cavity into the second cavity;
(5) opening the second connecting port and the third connecting port, and closing the second connecting port and the third connecting port after a set time so that air outside the cavity enters the first cavity;
(6) repeating the steps (3), (4) and (5) to fill the first cavity and the second cavity with ozone;
(7) opening the first control valve, the first connecting port and the second connecting port, closing the third connecting port, and simultaneously electrifying the vacuum pumping device to work for a set time to enable ozone in the first cavity and the second cavity to circularly flow;
(8) after the set time, the ozone generating device is closed, and meanwhile, the ozone reducing device is electrified to work, so that the ozone in the first cavity and the second cavity is reduced;
(9) and closing the ozone reduction device, opening the first control valve, the first connecting port and the third connecting port, closing the second connecting port, continuously electrifying the vacuum pump to work, and discharging the gas in the first cavity and the second cavity out of the cavity.
3. The vacuum-pumping ozone disinfection method as claimed in claim 2, wherein in the step (2), the vacuum-pumping device is powered on for 2-5 minutes, so that the air pressure in the second cavity is less than the atmospheric pressure.
4. The vacuum-pumping ozone disinfection method as claimed in claim 2, wherein in the step (3), the ozone generating device is powered on for 3-8 minutes, so that the first cavity is filled with high-concentration ozone.
5. The vacuum ozone sterilization method according to claim 2, wherein in the step (4), the first control valve is opened for 1 to 4 seconds and then closed.
6. The vacuum ozone sterilization method according to claim 2, wherein in the step (5), the second connection port and the third connection port are opened for 1 to 4 seconds and then closed.
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